# Vivitar Mobile Reader vs USEF Stall Side

The clearest difference is chart position: Vivitar Mobile Reader at #155 against USEF Stall Side's unranked. Vivitar Mobile Reader also leads on iOS requirement (9.0 vs 12.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Vivitar Mobile Reader ships an update every 4 months, USEF Stall Side every 2 months. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Vivitar Mobile Reader | USEF Stall Side |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (826 ratings)](https://appshunter.io/ios/app/vivitar-mobile-reader/id1502012385/reviews)** | — |
| Number of ratings | **826** | — |
| Positive reviews | 12.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Best chart rank | **#155** | — |
| Size | 93 MB | 38 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [振峰 皮](https://appshunter.io/developer/1479286012) | [United States Equestrian Federation, Inc.](https://appshunter.io/developer/485720693) |

## What reviewers say

### Vivitar Mobile Reader

[App page](https://appshunter.io/ios/app/vivitar-mobile-reader/id1502012385)

**Currently charting:** #155 Top Free · Utilities (US App Store)

Manage and view media files like photos, videos, and music from your connected device. Organize, share, and play content with features like slideshows and music playback controls. Supports various document formats for comprehensive file management.

**Highlights:** Media thumbnail display, List/thumbnail view, File sharing, Copy/cut/delete/create/rename files, Slideshow mode for photos, Music playback with artwork, Document format support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Works as expected
- 📷 Helpful for transferring photos

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔌 Compatibility issues with newer devices
- 🤔 Confusing interface
- 💾 Unable to transfer certain file types (e.g., RAW images)

**Reported bugs**

- App crashes when inserting SD card
- Photos/videos not showing up in app
- Corrupted data after transfers

**Requested features**

- Ability to transfer files in bulk
- Support for more file types
- Improved stability and reliability


### USEF Stall Side

[App page](https://appshunter.io/ios/app/usef-stall-side/id1599487543)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vivitar Mobile Reader free?

Vivitar Mobile Reader is free to download, with no in-app purchases.

### Is USEF Stall Side free?

USEF Stall Side is free to download, with no in-app purchases.

### Do Vivitar Mobile Reader or USEF Stall Side have ads?

Neither Vivitar Mobile Reader nor USEF Stall Side shows ads.

### Which is updated more often, Vivitar Mobile Reader or USEF Stall Side?

Vivitar Mobile Reader ships an update every 4 months, and USEF Stall Side every 2 months. Most recently, Vivitar Mobile Reader was updated on October 19, 2026 and USEF Stall Side on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*